445103420 has 12 divisors (see below), whose sum is σ = 934717224. Its totient is φ = 178041360.

The previous prime is 445103419. The next prime is 445103423. The reversal of 445103420 is 24301544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445103423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11127566 + ... + 11127605.

It is an arithmetic number, because the mean of its divisors is an integer number (77893102).

Almost surely, 2^445103420 is an apocalyptic number.

It is an amenable number.

445103420 is an abundant number, since it is smaller than the sum of its proper divisors (489613804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445103420 is a wasteful number, since it uses less digits than its factorization.

445103420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22255180 (or 22255178 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 445103420 is about 21097.4742564128. The cubic root of 445103420 is about 763.5198114652.

Adding to 445103420 its reverse (24301544), we get a palindrome (469404964).

The spelling of 445103420 in words is "four hundred forty-five million, one hundred three thousand, four hundred twenty".